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PLUG-IN <br />SENSOR WELL CAP <br />CONNECTOR <br />LOCKING HANDLE <br />0 <br />SENSOR WELL CAP <br />RETAINER <br />WATER -TIGHT SEAL <br />EXTRA SENSOR <br />I <br />i LENGTH SHOULD <br />( <br />I <br />I <br />I <br />I NOT EXCEED 2' <br />I <br />I <br />I <br />i <br />I <br />I <br />SENSOR i <br />t <br />I <br />I <br />I <br />I PERFORATED PVC <br />.—MONITORING WELL <br />I <br />I <br />HOUSING <br />I <br />I <br />I <br />I <br />I <br />WATER FLOAT i <br />I <br />I <br />I <br />(1 "-2" ABOVE <br />BOTTOM OF WELL) <br />I <br />I <br />I <br />I <br />I <br />I <br />Figure 43. Groundwater Sensor Installation. <br />FUEL RED <br />TO GROUND BLACK GROUND - <br />TLS WATER <br />CONSOLE WATER WHITE SENSOR <br />JUNCTION BOX <br />Figure 44. Groundwater Sensor Field Wiring Diagram. <br />Site Preparation and Installation Instriu-juras <br />EMC UST Monitoring <br />NOTE: Using epoxy sealant furnished with each sen- <br />sor, seal wire nut and cable connections at this time. <br />•/ <br />1 1 1 <br />1 1 <br />f / 1 <br />9. Tighten the cable bushing nut on the junction box to <br />ensure a water -tight seal at the sensor cable entry. <br />10. Press down the locking handle on the sensor well cap to <br />secure it in position and to form a water -tight seal be- <br />tween the sensor well cap and the monitoring well <br />housing. <br />NOTE: For additional security, a padlock may be in- <br />stalled on the sensor well cap to ensure that the locking <br />handle remains in position and the well cannot be <br />opened by unauthorized personnel. <br />a <br />